OpenTechnical

OT-2026-000083851

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083851) never changes.

Identity and time

Publication numberOT-2026-000083851 · never reused
Internal UUID01a0ae98-0418-71ee-83b9-99c79a3de395 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083851
StatusPUBLIC

Content hashes

Canonical textf795644a4fec4a19fa624ec3e18a89e3221fbf29b9ecb4aa0d9671e8d1a29495
Markdownde82488955d36c277acd904b5c588c0da7d555d3b280515e6a5e643168413ae4
PDF
Publication pagea4d0bcb502f1e69fbdac6f0899bc7a34e35884c4fe7dfbd4f2bd3999ef161aa2
Manifest984945a69ae0ff40624f554cff92b445875238b8a961f561fb21872792ab4b94

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMF0R2pMM0DbBwen+8YcfQmBJm5y4BQZ312OtM+TTm4c5GMQ/PabKnJUqHMAdLqjQKuGlmr1lnHwrNzDfp5jxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:08.542209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083851
observed a4d0bcb502f1e69fbdac6f0899bc7a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.473625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083851/manifest.json
observed 984945a69ae0ff40624f554cff92b445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.439405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083851/publication.md
observed de82488955d36c277acd904b5c588c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.399977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083851/publication.txt
observed f795644a4fec4a19fa624ec3e18a89e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.632298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083851
observed a4d0bcb502f1e69fbdac6f0899bc7a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.615179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083851/manifest.json
observed 984945a69ae0ff40624f554cff92b445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.598485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083851/publication.md
observed de82488955d36c277acd904b5c588c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.580262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083851/publication.txt
observed f795644a4fec4a19fa624ec3e18a89e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.